package com.aibaixun.common.utils.poi;

import java.io.IOException;
import java.io.InputStream;

import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.xmlbeans.XmlException;
import org.apache.xmlbeans.XmlToken;
import org.openxmlformats.schemas.drawingml.x2006.main.CTNonVisualDrawingProps;
import org.openxmlformats.schemas.drawingml.x2006.main.CTPositiveSize2D;
import org.openxmlformats.schemas.drawingml.x2006.wordprocessingDrawing.CTInline;

/**
 * @author zhangyh
 * @description poi工具类
 * @createDate 2023-03-06 14:47:17
 */
public class CustomXWPFDocument extends XWPFDocument{
    public CustomXWPFDocument(InputStream in) throws IOException {
        super(in);
    }

    public CustomXWPFDocument() {
        super();
    }

    public CustomXWPFDocument(OPCPackage pkg) throws IOException {
        super(pkg);
    }

    /**
     * @param id
     * @param width
     *            宽
     * @param height
     *            高
     * @param paragraph
     *            段落
     */
    public void createPicture(int id, int width, int height,
                              XWPFParagraph paragraph) {
        final int EMU = 9525;
        width *= EMU;
        height *= EMU;
        String blipId = super.getRelationId(super.getAllPictures().get(id));
        CTInline inline = paragraph.createRun().getCTR().addNewDrawing()
            .addNewInline();
        String picXml = ""
            + "<a:graphic xmlns:a=\"http://schemas.openxmlformats.org/drawingml/2006/main\">"
            + "   <a:graphicData uri=\"http://schemas.openxmlformats.org/drawingml/2006/picture\">"
            + "      <pic:pic xmlns:pic=\"http://schemas.openxmlformats.org/drawingml/2006/picture\">"
            + "         <pic:nvPicPr>" + "            <pic:cNvPr id=\""
            + id
            + "\" name=\"Generated\"/>"
            + "            <pic:cNvPicPr/>"
            + "         </pic:nvPicPr>"
            + "         <pic:blipFill>"
            + "            <a:blip r:embed=\""
            + blipId
            + "\" xmlns:r=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships\"/>"
            + "            <a:stretch>"
            + "               <a:fillRect/>"
            + "            </a:stretch>"
            + "         </pic:blipFill>"
            + "         <pic:spPr>"
            + "            <a:xfrm>"
            + "               <a:off x=\"0\" y=\"0\"/>"
            + "               <a:ext cx=\""
            + width
            + "\" cy=\""
            + height
            + "\"/>"
            + "            </a:xfrm>"
            + "            <a:prstGeom prst=\"rect\">"
            + "               <a:avLst/>"
            + "            </a:prstGeom>"
            + "         </pic:spPr>"
            + "      </pic:pic>"
            + "   </a:graphicData>" + "</a:graphic>";

        inline.addNewGraphic().addNewGraphicData();
        XmlToken xmlToken = null;
        try {
            xmlToken = XmlToken.Factory.parse(picXml);
        } catch (XmlException xe) {
            xe.printStackTrace();
        }
        inline.set(xmlToken);

        inline.setDistT(0);
        inline.setDistB(0);
        inline.setDistL(0);
        inline.setDistR(0);

        CTPositiveSize2D extent = inline.addNewExtent();
        extent.setCx(width);
        extent.setCy(height);

        CTNonVisualDrawingProps docPr = inline.addNewDocPr();
        docPr.setId(id);
        docPr.setName("图片名称");
        docPr.setDescr("描述信息");
    }
}

